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Finding the Fourth Proportional to 62,642.77, 93,940.76 and 25,190.19

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Solution

The fourth proportional to 62,642.77, 93,940.76 and 25,190.19 is: 37,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,642.77 : 93,940.76 = 25,190.19 : x
  2. Step 2: Convert to fraction form
    62,642.77/93,940.76 = 25,190.19/x
  3. Step 3: Cross multiply
    62,642.77x = 93,940.76 × 25,190.19
  4. Step 4: Simplify right side
    62,642.77x = 2,366,385,656.12
  5. Step 5: Solve for x
    x = 2,366,385,656.12/62,642.77
  6. Step 6: Final answer
    x = 37,775.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.